Squarks and Sleptons between Branes and Bulk

Details Squarks and Sleptons between Branes and Bulk Squarks and Sleptons between Branes and Bulk

2005-12-12

arxiv.org/abs/hep-ph/0512152v2

JHEP 0602 (2006) 069

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, 4 figures; v2: minor modifications, references added, to appear in JHEP

Scientific paper

10.1088/1126-6708/2006/02/069

We study gaugino-mediated supersymmetry breaking in a six-dimensional SO(10) orbifold GUT model where quarks and leptons are mixtures of brane and bulk fields. The couplings of bulk matter fields to the supersymmetry breaking brane field have to be suppressed in order to avoid large FCNCs. We derive bounds on the soft supersymmetry breaking parameters and calculate the superparticle mass spectrum. If the gravitino is the LSP, the stau_1 or the snu_tau turns out to be the NLSP, with characteristic signatures at future colliders and in cosmology.

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